Electric motor



FIG. 1 is a right-side perspective view of an electric motor, showing my new design;

FIG. 2 is a left-side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a side elevation view thereof; and,

FIG. 6 is a top plan view thereof, the bottom being a mirror image. 

CLAIM The ornamental design for an electric motor, as shown and described. 